// Floating image script- By Virtual_Max, improved by dynamicdrive.com
var vmin=2;
var vmax=5;
var vr=2;
var timer1;
function iecompattest(){
return (document.compatMode && document.compatMode!="BackCompat")? document.documentElement : document.body
}
// create variables: x,y (initially 0) and velocities. Plus 'name' for use in function argument, and its own timer
function Chip(chipname,width,height){
 this.named=chipname;
 this.vx=vmin+vmax*Math.random();
 this.vy=vmin+vmax*Math.random();
 this.xx=0;
 this.yy=0;
 this.timer1=null;
}
function movechip(chipname){
if (document.getElementById){
	eval("chip="+chipname);
   chip.xx=chip.xx+chip.vx;
   chip.yy=chip.yy+chip.vy;
   chip.vx+=vr*(Math.random()-0.5);
   chip.vy+=vr*(Math.random()-0.5);
   if(chip.vx>(vmax+vmin))  chip.vx=(vmax+vmin)*2-chip.vx;
   if(chip.vx<(-vmax-vmin)) chip.vx=(-vmax-vmin)*2-chip.vx;
   if(chip.vy>(vmax+vmin))  chip.vy=(vmax+vmin)*2-chip.vy;
   if(chip.vy<(-vmax-vmin)) chip.vy=(-vmax-vmin)*2-chip.vy;
// code does NOT read its actual position - just SETS its position from our invented variables
document.getElementById(chip.named).style.left=chip.xx+"px";
document.getElementById(chip.named).style.top=chip.yy+"px";
   chip.timer1=setTimeout("movechip('"+chip.named+"')",33);
  }
}
